NGC1566

Basic data :
NGC 1566 -- Seyfert 1 Galaxy Origin of the objects types : (Ref) Object type as listed in the reference "Ref" (acronym) Object type linked to the acronym according to the original reference () Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases Other object types: G (2014MNRAS,ESO,...), X (1E,2E,...), AGN (2023A&A,[HB91],...), Rad (ACT,GLEAM,...), IR (IRAS,ISOSS,...), GiG ([CHM2007],[FS90],...), UV (FAUST,[BBW2000]), Sy1 (2013ApJS), QSO ([WTW94]), EmG (SINGG), AG? (2020MNRAS), * (Gaia), HI (HIPASS), MIR (WISE) Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" : ra dec : right ascension and declination (unit and frame defined according to your Output Options) Grey values are increasing the original precision due to the computation of frame transformations (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam) [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue), position angle (in degrees North celestial pole to East) quality : flag of quality E ≥ 10" D : 1-10" (and some old data) C : 0.1-1" B : 0.01-0.1" + 2MASS, Tyc A : VLBI, Hipparcos bibcode : bibcode of the coordinates reference ICRS coord. (ep=J2000) : 04 20 00.3968473248 -54 56 16.624708764 (Optical) [ 0.0986 0.1089 90 ] A 2020yCat.1350....0G Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" : ra dec : right ascension and declination (unit and frame defined according to your Output Options) Grey values are increasing the original precision due to the computation of frame transformations (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam) [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue), position angle (in degrees North celestial pole to East) quality : flag of quality E ≥ 10" D : 1-10" (and some old data) C : 0.1-1" B : 0.01-0.1" + 2MASS, Tyc A : VLBI, Hipparcos bibcode : bibcode of the coordinates reference FK4 coord. (ep=B1950 eq=1950) : 04 18 53.0532378543 -55 03 22.629019603 [ 0.0986 0.1089 90 ] Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" : ra dec : right ascension and declination (unit and frame defined according to your Output Options) Grey values are increasing the original precision due to the computation of frame transformations (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam) [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue), position angle (in degrees North celestial pole to East) quality : flag of quality E ≥ 10" D : 1-10" (and some old data) C : 0.1-1" B : 0.01-0.1" + 2MASS, Tyc A : VLBI, Hipparcos bibcode : bibcode of the coordinates reference Gal coord. (ep=J2000) : 264.3103264795967 -43.3932833164258 [ 0.0986 0.1089 90 ] Syntax of proper motions is : "pm-ra pm-dec [error ellipse] quality bibcode" pm-ra : mu-ra*cos(dec) (expressed in the ICRS system in mas/yr) pm-dec : mu-dec (expressed in the ICRS system in mas/yr) [error ellipse] : error major axis and minor axis (in mas), orientation angle (in deg) quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality) bibcode : bibcode of the proper motion reference Proper motions mas/yr : -1.251 0.681 [0.133 0.151 90] A 2020yCat.1350....0G Syntax of radial velocity (or/and redshift) is : "value [error] (wavelength) quality bibcode" value : radial velocity or/and redshift (Heliocentric frame) according to your Output Options (redshift may be not displayed if the data value is <0 and the database inside value is a radial velocity) [error] : error of the corresponding value displayed before (wavelength) : wavelength range of the measurement : Rad, mm, IR, Opt, UV, Xray, Gam or  '∼'(unknown) quality : flag of quality ( A=best quality -> E=worst quality, ∼=unknown quality) bibcode : bibcode of the value's origin Radial velocity / Redshift / cz : V(km/s) 1418 [150] / z(emission) 0.00473963 [0.0005] / cz 1420.9053 [150]    (Opt) C 2022ApJS..261....2K Syntax of parallax is : 'value quality [error] bibcode' value : parallax value quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality) [error] : mean error bibcode : bibcode of the parallax reference Parallaxes (mas): 0.1385 [0.1108] A 2020yCat.1350....0G Syntax of morphological type is : mtype quality bibcode mtype : Hubble morphological class (spirals, ellipticals, etc) quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality) bibcode : bibcode of the morphological type reference Morphological type: SABbc D 2015AJ....149....1Z Syntax of angular size is : "maj-axis min-axis angle (wtype) quality bibcode" maj-axis : major axis size (arc minutes) min-axis : minor axis size (arc minutes) angle : orientation angle (in degrees) (wtype) : wavelength class for the origin of the angular size (Rad, mm, IR, Opt, UV, Xray, Gam) quality : flag of quality of the angular size values ( A=best quality -> E=worst quality, {� } =unknown quality) bibcode : bibcode of the angular size reference Angular size (arcmin): 8.51 5.37 32 (Opt) D 2003A&A...412...45P Syntax of fluxes (or magnitudes) is : "filter-name (System) flux-value [error] quality MultVarFlags bibcode" filter-name : U, B, V, R, I, G, J, H, K, u, g, r, i, z (System) : may be AB (default is Vega) flux-value : value of flux or magnitude [error] : error value quality : flag of quality of the flux value ( A=best quality -> E=worst quality, {� } =unknown quality) MultVarFlags : Mult is zero or one char (J) for joined photometry ; Var can be zero or two chars (V[0-4]) bibcode : bibcode of the flux reference Fluxes (9) : U 10.29 [0.05] D 2007ApJS..173..185G B 10.19 [~] C 1989ESOLV.C......0L V 9.73 [0.03] D 2007ApJS..173..185G R 9.21 [~] C 1989ESOLV.C......0L G 16.048237 [0.015350] C 2020yCat.1350....0G I 10.1 [~] D 2005MNRAS.361...34D J 7.755 [0.023] C 2006AJ....131.1163S H 7.213 [0.029] C 2006AJ....131.1163S K 6.886 [0.034] C 2006AJ....131.1163S	SIMBAD within arcmin ', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects"> Overlay points in this preview 2MASS DSS SDSSXMMIRACIRISGALEX All (CDSPortal) Send to within arcsec The VizieR photometry tool allows for easy visualization of photometry points extracted around the Simbad position from photometry-enabled catalogues in VizieR. The search radius has to be specified by the user. It is currently limited to a maximum of 30 arcsec. It depends mostly on the precision or quality of the coordinates (SIMBAD and VizieR catalogs), the resolution of the images from which the sources were extracted, source extent, and source crowding. Suggestions are: crowded field: 0.5 to 1.5 arcsec, 3 arcsec otherwise; uncertain coordinates (SIMBAD quality E or coordinates without reference): 5 to 30 arsec (risky!).
Some important notes on this object about identifications and objects associations. notes: See GALEX UV data in GALEX data See also Specfind radio flux densities.

NGC 1566	ISOSS J04199-5458	SPASS J042001-545531	[KKF2005] 10
ACT-S J041959-545618	LEDA 14897	SPT-S J041959-5456.2	[LB2005] NGC 1566 X1
ACT-S J042000-545622	2MASX J04200041-5456161	SUMSS J042001-545613	[M98c] 041853.0-550324
1E 0418.9-5503	MBG 04189-5503	SWIFT J0420.0-5457	[SLK2004] 420
2E 988	PBC J0419.7-5456	SWIFT J0420.0-5456	[VDD93] 38
2E 0418.9-5503	PKS 0418-550	WISE J042000.38-545616.6	[VV2000c] J042000.7-545617
1ES 0418-55.0	PKS J0420-5455	XMMSL1 J041959.8-545618	[VV2003c] J042000.7-545617
ESO 157-20	PMN J0419-5455	[BBW2000] FD 41	[VV2006c] J042000.7-545617
ESO-LV 157-0200	PSCz Q04189-5503	[CHM2007] HDC 279 J042000.41-5456161	[VV2010c] J042000.7-545617
FAUST 547	RBS 534	[CHM2007] LDC 328 J042000.41-5456161	[VV98c] J042000.7-545617
GLEAM J042001-545606	RX J0420.0-5456	[DML87] 604	[WTW94] 0418-550
HIPASS J0419-54	1RXS J042000.5-545617	[DSB94] 42	Gaia DR2 4779165759875235200
IRAS F04188-5503	SGC 041853-5503.4	[FS90] Dorado 53	Gaia DR3 4779165759875235200
IRAS 04189-5503	SINGG HIPASS J0419-54	[HB91] 0418-550

References (910 between 1850 and 2024) (Total 910) Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system). Follow new references on this object

Collections of Measurements

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : NGC1566

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